This is what a late flight looks and sounds like

This is what a late night flight looks and sounds like...
A commuter jet at 12:40 am on November 22nd over Los Altos hits 79- 81 dB 

On November 22nd, hours after the  Long Beach Noise Ordinance deadline for flights landing,  residents of the Los Altos neighborhood were treated to another late night flight. 

A 14 passenger Gulfstream V

 According to the LB Airport WebTracker site, the aircraft was a Gulfstream V .  It flew over the Los Altos neighborhood at approximately 12:43 am.  The noise monitor by CSULB at the beginning of Los Altos monitored the noise at 79 db. as the plane descended over the homes.

The second to the last noise monitor before the runway, at the end of the Los Altos neighborhoods, had the middle of the night noise registering at 81 dB.      (click on picture below to enlarge)           

                                                                                              

IndustrialNoise.com comparison chart has the following information on what 80 dB is similar to:

Garbage disposal, dishwasher, average factory, freight train (at 15 meters). Car wash at 20 ft (89 dB); propeller plane flyover at 1000 ft (88 dB); diesel truck 40 mph at 50 ft (84 dB); diesel train at 45 mph at 100 ft (83 dB). Food blender (88 dB); milling machine (85 dB); garbage disposal (80 dB).

80

2 times as loud as 70 dB. Possible damage in 8 hour exposure.

for information Click on NOISE

   (click on picture below to enlarge)  

The Gulfstream V  carries a crew of four and up to 14 passengers. It has a range of 6,500 nautical miles ( about 7,500 miles).  The distance from Los Angeles to Puerto Vallarta, Mexico is 1,062 nautical miles (1,222 miles).

For more information on late flight noise ordinance violations Click on LATE FLIGHTS